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Egyptian red porphyry - Roman period

$3,816.01List Price

About the Item

Polished Egyptian red porphyry piece Roman period 47 x 14 x 9 cm Triangular polished piece of Egyptian red porphyry. Ancient red porphyry is a magmatic effusive lithotype characterized by a Bordeaux-red color, composed of a cryptocrystalline matrix in which floating phenocrysts of pale pinkish white are oriented, measuring up to 5 millimeters. It originates from Mons Porphyrites and dates back approximately 630 million years, resulting from dacitic-andesitic volcanic activity that led to the formation of extensive layers of effusive material, including tuffs and ignimbrites. Despite its breathtaking beauty, this material is notoriously difficult to work with due to its hardness. The quarries, located in the stark isolation of the Eastern Egyptian Desert, were situated along caravan routes that connected the commercial hubs of the Nile Valley and Coptos with the ports of Myos Hormos and Berenice, facilitating trade towards India and Arabia. These quarries were so remote and rugged that they were forgotten for centuries, only to be rediscovered and explored by Burton and Wilkinson between 1882 and 1883. In antiquity, these quarries were of such significance that they were managed directly by the imperial entourage. There are six known quarries that produce this type of material, all located on the eastern side of the mountain at varying altitudes relative to Wadi Abu Maamel, which intersects the area. The short distances between the quarries ensure a wide variability in appearance and characteristics. For example, the matrix is generally characterized by phenocrysts that range in pinkish hues, but in the quarry northwest of Wadi Abu Maamel, the feldspars appear white. Locally, a brecciated variety is found, while in the northeast, the andesite is black, as it has not undergone the intense alteration typical of ancient red porphyry, lacking the significant amounts of hematite and piemontite responsible for its deep red color. Among all ancient materials, red porphyry perhaps exudes the most symbolism; it represents a symbolic essence, epitomizing divinity, power, and courage. Its hardness made it challenging to work with—suggesting it was relatively underused during the time of the pharaohs for this very reason—yet it remains the most significant and expensive stone, symbolizing divine power and representing nobility, prestige, and wealth. During the Roman Empire, demand for red porphyry surged, and the stone was used in grand structures such as the Pantheon and various imperial palaces. Its association with imperial authority was so strong that laws were enacted to restrict its use to the elite. The term "imperial" highlights this exclusivity, reinforcing the stone’s connection to power and prestige. The routine use of ancient red porphyry was unthinkable, as it symbolized both the imperial house and the gods, later becoming a symbol of Christianity and the martyrdom of Christ. The emperor was crowned on a throne made of ancient red porphyry. The title "porphyrogénnētos," Latinized as Porphyrogenitus ("born in the purple"), was conferred upon a prince or princess if, and only if—beyond other specific conditions—they were born in the Porphyra, the Purple Chamber of the Great Palace of Constantinople, which overlooked the Sea of Marmara and was entirely adorned with imperial porphyry. Due to its intrinsic meaning, ancient red porphyry has been used and reused primarily to create works intended as cultural propaganda: columns supporting representations of deities or emperors, bases for busts, small votive statues, and paintings executed directly on slabs of porphyry. It has even been reproduced in artwork, as seen in the refectory of Santa Apollinare in Florence, where Andrea del Castagno’s Last Supper (1421-1457) features reflections imitating ancient red porphyry. Additionally, it has been used for vases, small containers, baths, and sarcophagi, as well as columns for temples and other historically significant buildings. Over time, the material also became a symbol of opulence, used by politicians and the wealthy who could afford its prohibitive cost—250 dracmas according to the Edict of Diocletian in 301. The extraction, preparation, and transportation of this stone to Rome enhanced the city's architectural splendor and satisfied the tastes of affluent patrons. Today, collectors particularly value specimens of colored marble quarried in antiquity, cherishing them as tangible links to the past.

Dimensions:
Height: 18.51 in (47 cm)Width: 5.52 in (14 cm)Depth: 3.55 in (9 cm)
Style:
Classical Roman (Of the Period)
Materials and Techniques:
Porphyry,Carved,Polished
Place of Origin:
Italy
Period:
15th Century and Earlier
Date of Manufacture:
roman
Condition:
Wear consistent with age and use.
Seller Location:
Bruxelles, BE
Reference Number:
1stDibs: LU6666242615902

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